ListLength

Since 1.3.0

Get the length of a type-level list (tuple). Returns the number of elements as a numeric literal type.

Signature

export type ListLength<T extends readonly unknown[]> = T['length']

Parameters

Parameter	Description
T	The tuple to get the length of

Examples

Basic Usage

import type { ListLength } from 'uni-types'

type Result = ListLength<['a', 'b', 'c']>
// 3

Empty Tuple

type Result = ListLength<[]>
// 0